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Finding the Fourth Proportional to 107,538, 148,402.44 and 60,434

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Solution

The fourth proportional to 107,538, 148,402.44 and 60,434 is: 83,398.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,538 : 148,402.44 = 60,434 : x
  2. Step 2: Convert to fraction form
    107,538/148,402.44 = 60,434/x
  3. Step 3: Cross multiply
    107,538x = 148,402.44 × 60,434
  4. Step 4: Simplify right side
    107,538x = 8,968,553,058.96
  5. Step 5: Solve for x
    x = 8,968,553,058.96/107,538
  6. Step 6: Final answer
    x = 83,398.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.